/Engine/Source/Runtime/Slate/Public/Framework/Docking/WorkspaceItem.h
[TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [FWorkspaceItem](API\Runtime\Slate\Framework\Docking\FWorkspaceItem) > AddGroup ( const [FText](API\Runtime\Core\Internationalization\FText) & InDisplayName, const [FSlateIcon](API\Runtime\SlateCore\Textures\FSlateIcon) & InIcon, const bool InSortChildren )